The Model K was an early 2-bit binary adder built in 1937 by Bell Labs scientist George Stibitz as a proof of concept, using scrap relays and metal strips from a tin can. The "K" in "Model K" came from "kitchen table", upon which he assembled it.[1][2][3][4]

References

  1. ^ "Stibitz Model K Adder | 102627225 | Computer History Museum". www.computerhistory.org. Retrieved August 31, 2018.
  2. ^ "George Robert Stibitz's Complex Number Calculator". Archived from the original on July 4, 2008. Retrieved September 29, 2017.
  3. ^ ""Model K" Adder (replica) - CHM Revolution". www.computerhistory.org. Retrieved August 31, 2018.
  4. ^ Irvine, M. M. (July 2001). pdf. "Early digital computers at Bell Telephone Laboratories". IEEE Annals of the History of Computing. 23 (3): 22–42. doi:10.1109/85.948904. ISSN 1058-6180. ((cite journal)): External link in |others= (help)


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